GU42x100NC

Feature

Stable and rigid spindle head
The spindle runs on precision bearings, assuring maximum spindle stability. It guarantees outstanding grinding accuracy for external dia., internal dia. (optional) & end face.

Precision wheel head
The grinding wheel spindle is precision machined from high quality alloy steel, normalized, tempered, carburized and sub-zero treated, precision ground and mirror-effect treated.

Product Specifications

Model	GU42x100NC
MODEL
CAPACITY
Swivel over table	420 mm
Distance between centers	1000 mm
Max. external grinding diameter	400 mm
Max. load of centers	150 kgs
GRINDING WHEEL
O.D. x width x I.D.	Ø405 x 50 x Ø127 mm
Linear velocity	33 M/s
GRINDING WHEEL X AXIS
Manual distance	160 mm
Auto. rapid advance	40 m/min
Max. stroke	250 mm
Min. setting unit	0.001 mm
One turn of handwheel	2 (0.005) mm
TABLE Z AXIS
Traverse speed	1.5 m/min
Max stroke	1110 mm
Auto reciprocate min. stroke	8 mm
Feed of one turn of handwheel 2 step	20 mm (2 mm)
Swivel angle	(-3°, +8°)
WORK SPINDLE HEAD
Swivel angle	(-30° ~ +90°)
Center taper	M.T. No. 4
Spindle speed (variable)	10~300 r.p.m.
Max. load of spindle (tool holder included)	35 kgs (max. length: 150 mm)
TAILSTOCK
Center taper	M.T. No. 4
Stroke	25 mm
Fine adjustment range	(+/- 0.03 mm)
MOTOR
Wheel spindle	3.7 kW (4P)
Workhead spindle (AC Servo Motor)	2.0 kW (4P) Frequency
Hydraulic pump	0.37 kW (4P)
Wheel spindle lubrication pump	0.18 kW (4P)
Coolant pump	0.18 kW (2P)
Internal grinding spindle (opt.)	0.75 kW (2P)
POWER
Total voltage	11 KVA
TANK
Wheel spindle lubricant tank	9 L
Hydraulic tank	46 L
Coolant tank	110 L
MACHINE WEIGHT
Net weight	3400 kgs